<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<!--编写表单：演示get请求方式和post请求方式，请求报文的区别-->
    <form action="#" method="post">
        用户名：<input type="text" name="username">
        密码：<input type="text" name="password">
        <input type="submit" value="提交表单">
    </form>

</body>
</html>